5Wijnhoven BP, Siersema PD, Hop WC, et al. Adencarcinomas of the distal esophagus and gastric eardia are one clinical entity[J].Br J Surg,1999,86(4): 529-535.
6Takeshita K,Ashikawa T,Tani M, et al. Clinic pathologic features of gastric cancer infiltrating the lower esophagus[J]. World J Surg,1994, 18(3): 428-432.